Book chapters

• M. Roelands, J. Plomp, D.C Mansilla, J. VelascoI. Salhi, G.M. Lee, N. Crespi, C, Valderrama, N. Menezes, M. Lopez-Ramos, C. van Nimwegen, D. De Roeck, L. Leire Bastida, Q. Reul, « The DiY Smart Experiences Project: A European endeavour removing barriers for user-generated Internet of Things applications” in Architecting the Internet of Things," accepted for publication, ISBN 978-3642191565, Springer Verlag, May 2011.

• M.Mani and N. Crespi, "IMS based WLAN/3G Convergence and Advanced mobility Features" in Emerging Wireless Networks: Concepts, Techniques and Applications, accepted for publication, CRC Press Aug 2011.

• E. Bertin and N. Crespi, “Chapter 1: IMS Service, Models and Concepts,” in IP Multimedia Subsystem (IMS) Handbook, ISBN 978-1420064599, Ed. USA: CRC Press, 2008 - PDF.

• A. Gouya and N. Crespi,  “Chapter 16: Service Orchestration in IMS,” in IP Multimedia Subsystem (IMS) Handbook, ISBN 978-1420064599, Ed. USA: CRC Press, 2008 - PDF.

• A. Gouya, N. Crespi, E. Bertin, and L. Oueslati, “Managing Service Capability and Service Feature Interactions in the IMS of UMTS,” in Business Models and Drivers for Next-Generation IMS Services comprehensive report, 2007, pp 105-113 Ed. USA: International Engineering Consortium.

• N. Crespi, E. Bertin, and Ben Yahia I., "Next Generation Networks," in Encyclopédie de l’informatique et des systèmes d’information, ISBN 978-2711748464, Ed. France : Vuibert, 2006.

Journals and conferences

• E. Bertin, N. Crespi, “A Few Myths About Telcos and OTT Models,” ICIN, Berlin, Germany, October 2011.

• B. Chihani, E. Bertin, N. Crespi, “A Comprehensive Framework for Context-Aware Communication Systems,” ICIN, Berlin, Germany, October 2011.

• R. Copeland, N. Crespi “Resolving Ten MVNO Issues with EPS Architecture, VoLTE and Advanced Policy Server,” ICIN, Berlin, Germany, October 2011.

• R. Copeland, N. Crespi, “ Modelling Multi-MNO Solutions for MVNOs and Their Evolution to LTE, VoLTE & Advanced Policy,” BMMP, Berlin, Germany, October 2011.

• Abderrahmane Maaradji Hakim Hacid,Ryan Skraba,Adnan Lateef,Johann Daigremont,Noel Crespi, “Social-based Web Services Discovery and Composition for Step-by-step Mashup Completion,” ICWS WIP, Washigton DC, USA, July 2011

• S.H. Shah Newaz, R.U Akbar, Y. Lim, and J.Y Choi, G.M Lee, N. Crespi, “Efficient Mobile IP Location Update Mechanism for Idle Terminals in Optical Wireless Integrated Access Networks,” The Seventh International Conference on Networking and Services, ICNS2011, May 2011 (Venice/Mestre, Italy)

• G. M Lee, N. Crespi, “The Internet of Things - Challenge for a New Architecture from Problems,” IETF Internet Architecture Board, Interconnecting Smart Objects with the Internet Workshop, Prague, Czech Republic, March 2011.

• S.H. Shah Newaz, Y Bae, J. Lee, G.M. Lee, N. Crespi, and J.K. Choi, “Minimizing the Number of IGMP Report Messages for Receiver-driven Layered Video Multicasting”, IEEE VTC-Spring, Budapest, Hungary, May 2011.

• Z. Zhao, N. Laga, N. Crespi, “'User-Centric Service Selection, Integration and Management Through Daily Events”, MUCS, PerCom 2011, Seattle, USA, March 2011.

• J.R. Velasco, M. Roelands, D. De Roeck, R. Moonen, L. Trappeniers, M. A. López-Carmona, I. Marsá-Maestre, E. Marilly, N. Crespi, Y. Ghamri-Doudane, “Do-it-yourself creation of pervasive, tangible applications”. 361-364, International conference on Tangible, embedded, and embodied interaction (TEI2011), Funchal, Portugal, Jan 2011

• H. Zhang, H. Nguyen, E. Martinez Gracia, P. Antonio, T. Solano, D. Zhang, N. Crespi, “Scalable Multimedia Delivery with QoS Management in Pervasive Computing Environment”, Journal of Supercomputing, ACM/Springer, DOI: 10.1007/s11227-011-0581-9.

• G. M Lee, S. Raj Bhandari, N. Crespi, “Content delivery for personalized IPTV services using peer to peer proxy,” Journal of Internet Engineering, Vol. 4. No.1, pp.241-250, December 2010.

• G.M. Lee and N. Crespi, “Shaping Future Service Environments with the Cloud and Internet of Things: Networking Challenges and Service Evolution”, Lecture Notes in Computer Science, 2010, Volume 6415, Leveraging Applications of Formal Methods, Verification, and Validation, Pages 399-410.

• H. Zhang, Z. Zhao, S. Shanmugalingam, C. Huang and N. Crespi "Quality-assured and Sociality-enriched Multimedia Mobile Mashup in NGWN," EURASIP Journal on Wireless Communications and Networking. DOI:10.1155/2010/721312

• K. Laghari, N. Crespi, "QoE Aware Service Delivery” IEEE AINA (WAMIS), Singapore, March 2011.

• K. Daoud, P. Herbelin, K. Guillouard and N.Crespi, “A Network-Controlled Architecture for SCTP Hard Handover," VTC-Fall 2010.

• S. Shanmugalingam, N. Crespi, P. Labogère, “User mobility in a Web-based communication system,” IEEE International Conference on Internet Multimedia Systems Architecture and Application, December 2010, Bangalore, India.

• C. Huang, N. Crespi, “A Service Composition Model for Dynamic Service Creation and Update in IMS/Web 2.0 Converged Environment,", AINTEC, Bangkok, Thailand, November 2010.

• H. Zhang, Z. Zhao, S. Shanmugalingam, C. Huang and N. Crespi "Quality-assured and Sociality-enriched Multimedia Mobile Mashup in NGWN," to appear in Journal on Wireless Communication and Networking, EURASIP.

• Z. Zhao, S. Bhattarai, N. Crespi, “End-User Perspectives and Acceptance Model,” in International Conference on Advances in Mobile Computing & Multimedia (MoMM/iiWAS2010, MCD), November 2010, Paris, France

• K. Laghari, N. Crespi “Towards Service Delivery based on Customer eXperience Ontology:Shift from Service to eXperience,” in Workshop on Modelling Autonomic Communication Environments (MACE 2010), October 2010, Nigara Falls, Canada.

• A.R. Baloch and N. Crespi, “Service Dependency Analysis in Ubiquitous Environment,” International Workshop on Ubiquitous Service Platforms, Oct 2010, Kyoto, Japan.

• Shanmugalingam S, Crespi N., Labogère P., “My Own Communication Service Provider, ” IEEE ICUMT 2010, Oct 2010, Moscow.

• N. Laga, E. Bertin and N. Crespi "'Composition at the Frontend: the User Centric Approach,"  in ICIN 2010, Berlin, October 2010.

• J. Ghimire, M. Mani and N. Crespi, “Modeling Content Hotness Dynamics in Networks,”  in International Symposium on Performance Evaluation of Computer and Telecommunication Systems (SPECTS 2010), Ottawa, Canada July, 2010.

• J. Ghimire, M. Mani, N. Crespi and T. Sanguankotchakorn, “Delay and Capacity Analysis of Structured P2P Overlay for IP Telephony,”  in International Symposium on Performance Evaluation of Computer and Telecommunication Systems  (SPECTS 2010), Ottawa, Canada July, 2010.

• N. Crespi, “Converging web 2.0 with telecommunications”, eStrategies Projects, Vol. 10, June 2009. British Publishers, ISSN 1758-2369 - PDF.

• J. Simonin, Y. Le Traon, J.M. Jézéquel, N. Crespi, « Business and IS Alignment: a Formal Solution for Telecom Services,”  in International Conference on Software Engineering Advances, Nice, France, Aug. 2010. Best paper award.

• A.R. Baloch and N. Crespi, “Formal Model for Analysis of Context Dependencies in Ubiquitous Systems,”  in IEEE International Conference on Digital Information Management (ICDIM 2010), July 2010.

• N. Laga, E. Bertin, and N. Crespi, “Business Process Personalization through Web Widgets,”  in IEEE International Conference on Web Services (IEEE ICWS 2010), Miami, USA, July 2010.

• Zhang H., Girod-Genet M, Zeghlache D., Le T.A, Nguyen H., Crespi N., "Collaborative Home Media Community with Semantic Support," in IEEE International Workshop on Networking Issues in Multimedia Entertainment, Singapore, July 2010.

• G.M. Lee and N. Crespi, “ITU-T Standardization for Energy Saving using NGN and Connected Objects,” invited paper in NOC/OC&I 2010, Faro-Algarve, Portugal, June 2010.

• S. N. Karunarathna, G.M. Lee, N. Crespi, “A survey of challenging technologies for multimedia services in user-driven ubiquitous networking environment”, MASAUM Journal Of Reviews and Surveys (MJRS), Vol.1, Issue 3.

• S.R. Bhandari, G.M. Lee, and N. Crespi, “Mobility Model for User’s Realistic Behavior in Mobile Ad Hoc Network,”  in Conference on Communications Networks and Services Research (CNSR2010), Montreal, Canda, May 2010. PDF

• Zhang H., Nguyen H., Crespi N., Shanmugalingam S., Le T.A, Zeghlache D., "A Metadata-based Approach for Multimedia Service Mashup," in Conference on Communications Networks and Services Research (CNSR), Montreal, May 2010

• Z.J. Ren, C.Y Chuan, Y.B. Lin, N. Crespi “Evaluation of E-Book Readers on Mobile Devices,”  in Mobile Computing Workshop, MC2010, Taichung, Taiwan, May 2010.

• M. Mani, A. M. Nguyen, and N. Crespi, “SCOPE: A Prototype for Spontaneous P2P Social Networking,”  in IEEE International Conference on Pervasive Computing (PerCom 2010), Mannheim, Germany, March 2010. PDF

• J. Ghimire, M. Mani, T. Sanguankotchakorn, N. Crespi Self-connectivity Estimation for Super Node Overlay Creation in Ad-hoc Networks,”  in ICT 2010, Doha, Qatar, April 2010. PDF

• N. Laga, E. Bertin, and N. Crespi, “Widgets to facilitate service integration in a pervasive environment”, in IEEE International Conference on Communications (ICC 2010), Cape Town, South Africa, May 2010. PDF

• A. Maaradji, H. Hakim, J. Daigremont, N. Crespi, “Towards a Social Network Based Approach for Services Composition,” in IEEE International Conference on Communications (ICC 2010), Cape Town, South Africa, May 2010. PDF

• Maaradji A., Hacid H., Daigremont J., Crespi N., “Social Composer: A Social-Aware Mashup Creation Environment,” ACM Conference on Computer Supported Cooperative Work CSCW 2010 (demo session), Savannah, Georgia, USA, February 2010.

• A.R. Baloch and N. Crespi, “Addressing Context Dependency using Profile Context in Overlay Networks," in IEEE International Workshop on Personalized Networks (PerNets) at CCNC 2010, January 2010, Las Vegas, USA. PDF

• A. Maaradji, H. Hacid, J. Daigremont and N. Crespi, “Towards a Social Network Based Approach for Services Composition,“ in Conférence Internationale Francophone sur l'Extraction et la Gestion des Connaissances, January 2010, Tunisia.

• S.R. Bhandari, G.M. Lee, and N. Crespi, “Peer to Peer Proxy based IPTV Services,” in IEEE GLOBECOM 2009, December 2009, Hawai, USA. PDF

• C.Huang and N. Crespi, “Extended Policies for Automatic Service Composition in IMS,” in IEEE Asia-Pacific Services Computing Conference, December 2009, Singapore. PDF

• K. Laghari, I.G. Ben Yahia and N. Crespi, “Analysis of Telecommunication Management Technologies,” International Journal of Computer science & Information Technology (IJCSIT), Vol 1, No 2, November 2009, ISSN: 0975-3826 (Online); 0975-4660 (Print). PDF.

• Z. Zhao, N. Laga, N. Crespi, “A Survey of User Generated Services”, in IEEE International Conference on Network Infrastructure and Digital Content, Nov 2009, Beijing, China

• B. Molina, C.E. Palau, S. Fodor, JP. Lerouzic, O. L. Duenas, S. Perez, J. Jean, N. Crespi, “SERVERY: Future Internet, Telco and User convergence,” presented in Future Internet Assembly, November 2009, Stockholm, Sweden. PDF

•  S.Shanmugalingam, G. M. Lee, N. Crespi, and E. Bertin " An enabler gateway for service composition using SIP," ICIN, Bordeaux, France, October 2009. PDF

• A.M. Nguyen, M. Qaisar Choudhary, M. Mani and N. Crespi, “What’s UP 3.0: Spontaneous Social Networking in Challenged Networks”, presented at ACM MobiCom'09 CHANTS, September 2009, China.

• K. Daoud, P. Herbelin, K. Guillouard and N.Crespi, “Performance and Implementation of UFA: a SIP-based Ultra Flat Mobile Network Architecture”, in IEEE PIMRC, Tokyo, Japan, September 2009. PDF

• C.Huang, N. Crespi, “Enriched SCIM for Service Composition within IMS,” in International Conference on Engineering Management and Service Sciences, Beijing, China September 2009.

• Jongmin Lee, S.H. Shah Newaz, Jun kyun Choi, Gyu Myung Lee, Noel Crespi, "QoS Mapping over Hybrid Optical and Wireless Access Networks," in International Workshop on Hybrid Optical and Wireless Access Networks, Cannes, France, August 2009.

• GM. Lee, J. Yun Kim, JK Choi, and N. Crespi, “Architecture for IPTV Content Delivery,” in International Conference on Advanced Infocomm Technology, Xi'an, China, July 2009 - PDF

• A. Maaradji, C. Huang and N. Crespi, “Towards Personalized Services Composition on IMS: A Basic Approach,” in International Conference on Advanced Infocomm Technology, Xi'an, China, July 2009.

• S. Shanmugalingam, G. M. Lee, and N. Crespi, “SIP Service Composition in IMS” presented in International Conference on Advanced Infocomm Technology (poster), Xi'an, China, July 2009 N. Laga, E. Bertin, and N. Crespi, “A web based framework for rapid integration of Enterprise applications,” in ACM International Conference on Pervasive Services, Imperial College, London, UK, July 2009 - PDF

• N. Laga, E. Bertin, and N. Crespi, “Building a user friendly service dashboard: Automatic and non-intrusive chaining between widgets,” in IEEE International Workshop on Web X.o in IEEE Congress on Services (SERVICES 2009), Los Angeles, USA, July 2009 - PDF.

• Z. Zhao, N. Laga and N. Crespi, “The Incoming Trends of End-user driven Service Creation,” in DigiBiz 2009, LNICST 21, pp. 98–108, 2009, Springer-Verlag. - PDF

• M. Boussard, S. Fodor, N. Crespi, V. Iribarren, J.P. Le Rouzic, I. Bedini, G. Marton, D. Moro Fernandez, O. Lorenzo Duenas, B. Molina “SERVERY: the web-telco marketplace,” ICT-Mobile Summit 2009, Santander, Spain, June 2009.

• V. Verdot and N. Crespi "dSM: distributed Service Manager for Seamless Mobility" presented in INFOCOM 2009, Rio, April 2009.

• M. Mani, A. M. Nguyen, and N. Crespi, “What’s up 2.0: P2P Spontaneous Social Networking,” in INFOCOM 2009, Rio, April 2009.

• M. Mani, A. M. Nguyen, and N. Crespi, “What’s up: P2P Spontaneous Social Networking,” presented in PerCom 2009, Galveston, USA, March 2009. Best demo award.

• G. M. Lee, J. K. Choi, and N. Crespi, “Object Identification for Ubiquitous Networking,” in International Conference on Advanced Communication Technology, Korea, Feb 2009 - PDF.

• S. Shanmugalingam, G. M. Lee, and N. Crespi, “Unified Session Control Protocol for IPTV Services,” in International Conference on Advanced Communication Technology, Korea, Feb 2009 - PDF.

• E. Bertin and N. Crespi, “Service Business Processes for the Next Generation of Services: a Required Step to Achieve Service Convergence,” Annals of Telecommunications, DOI 10.1007/s12243-008-0080-z, Vol. Jan 2009, Springer-Verlag - PDF.

• N. Crespi, “Making the most of Mobile Service Architecture”, eStrategies Projects, Vol. 8, December 2008. British Publishers, ISSN 1758-2369.

• E. Bertin and N. Crespi, “Next Generation Communication Services A usage perspective”, ServiceWave 2008, LNCS Vol. 5377, pp86-97, 2008, Ed: Berlin Heidelberg, Springer-Verlag. PDF

• Z. Zhao, J. Chen, and N. Crespi, “A Policy-Based Framework for Autonomic Reconfiguration Management in Heterogeneous Networks," in 7th International Conference on Mobile and Ubiquitous Multimedia, Sweden, Umea, December 2008, ACM SigMobile - PDF

• G. M. Lee, and J. K Choi, “Personalized IPTV services using web-based open platform in NGN,” in World Telecommunication Congress 2008 in conjunction with IEEE Globecom 2008, New Orleans, USA, December 2008.

• A. Maaradji, A. Gonguet, N. Crespi and J. Daigremont, "La composition de services dans l'IMS, un premier pas vers l'ubiquitous computing," presented at 22ème Congrès DNAC : La convergence des réseaux IP et le Post-IP, Paris, France December 2008.

• K. Daoud, P. Herbelin, and N. Crespi, "One-Node-Based Mobile Architecture For a Better QoS Control,” in IFIP Wireless days conference, Dubai, November 2008 - PDF

• E. Bertin and N. Crespi, "Composing services: services as music," presented in 4th International FOKUS IMS Workshop, Berlin, November 2008.

• G. M. Lee, B-C. Jeon, J. Yoon, J. Jin, and J. K. Choi, “Dynamic interface selection using policy routing for multihoming in mobile router with dual interfaces,” in IEEE TENCON 2008, Hyderabad, India, November 2008.

• N. Laga, E. Bertin, and N. Crespi, “User-centric services and service composition, a survey”, in Special Track on Service Engineering in a converging Telecommunications/Web 2.0 World at the 3rd International Symposium On Leveraging Applications of Formal Methods, Verification and Validation (Isola 2008), Greece, Kassandra, October 2008 - PDF

• I. Grida Ben Yahia, E. Bertin, and N. Crespi, “Self-Managed Next Generation Services: How autonomic principles address the challenge of NGS management?” in ICIN, Bordeaux, October 2008. PDF

• N. Laga, E. Bertin, and N. Crespi, “A unique interface for web and telecom services: from feeds aggregator to services aggregator,” in ICIN, Bordeaux, October 2008.

• M. Mani, A. M. Nguyen, N. Crespi, "SCOPE- Service Classified Overlay for P2P Environment, a service platform for P2P services over Ad-hoc Networks (demo)," in IEEE International Conference on Mobile Ad-hoc and Sensor Systems (MASS 2008), USA, Atlanta, September 2008.

• K. Daoud., P. Herbelin, and N. Crespi, "UFA: Ultra Flat architecture for High Bitrate Services in mobile networks," in IEEE PIMRC, Cannes, September 2008. - PDF

• A. Gouya  and N. Crespi, "Detection and Resolution of Feature Interactions in IP Multimedia Subsystem," International Journal of Network Management, Aug 2008, Wiley - PDF

• B. El Saghir and N. Crespi, “A Generic Layer Model for Context-Aware Communication Adaptation,” in IEEE WCNC, Las Vegas, USA, March 2008- PDF

• M. Mani and N. Crespi, "How IMS Enables Converged Services For Cable and 3G Technologies: A Survey", EURASIP Journal on Wireless Communications and Networking, Vol. 2008, Article ID 589623, 14 pages, Feb 2008. - PDF

• E. Bertin, I. Ben Yahia, and N. Crespi, “Modeling IMS services,” Journal of Mobile Multimedia, Vol. 3, n°2, pp 150-167, 2007, Rinton Press. PDF

• M. Mani, W. Seah, and N. Crespi, "Super Nodes Positioning for P2P IP Telephony over Wireless Ad-hoc Networks", Invited paper at 6th International Conference on Mobile and Ubiquitous Multimedia (MUM), Finland, Oulu, December 2007, ACM SigMobile - PDF

• M. Mani and N. Crespi, "Adopting IMS in WiFi Technology," in ACM International Conference on Mobile Technology, Applications and Systems, Singapore, September 2007. PDF

• M. Mani, W. Seah, and N. Crespi, "Efficient service control overlay construction to support IP Telephony services over meshed networks, " IEEE International Conference on Mobile Ad-hoc and Sensor Systems (MASS2007), Italy, Pisa, October 2007. PDF

• V. Verdot, N. Crespi, and Y. Gasté, “A Distributed Service Manager for Seamless Service Continuity” in IEEE International Conference on Networking and Services, ICNS'07, Greece, Athens, June 2007. PDF

• M. Mani, N. Crespi “Inter-Domain QoS Control Mechanism in IMS based Horizontal Converged Networks,” in IEEE International Conference on Networking and Services, ICNS'07, Greece, Athens, June 2007. PDF

• A. Gouya, N. Crespi E. Bertin, “Service Invocation Issues within the IP Multimedia Subsystem,” in IEEE International Conference on Networking and Services, ICNS'07, Greece, Athens, June 2007.. PDF

• I. Grida Ben Yahia, E. Bertin, N. Crespi, and J. Simonin, “Self Management Models for the Next Generation Service: Analysis Stage," in IEEE International Conference on Networking and Services, ICNS'07, Greece, Athens, June 2007.

• I. Grida Ben Yahia, E. Bertin, and N. Crespi, “Ontology-based Management Systems for the Next Generation Services," in IEEE International Conference on Networking and Services, ICNS'07, Greece, Athens, June 2007.

• E. Bertin, I. Fodil, and Crespi N, "A business view for NGN user relationship management" IEEE/IFIP International Workshop on Broadband Convergence Networks (BcN2007), May 2007 Munich. PDF

• A. Gouya and N. Crespi, “Service Broker for Managing Feature Interactions in IP Multimedia Subsystem”, Sixth International Conference on Networking ICN 2007, April 22 - 28, 2007 - Sainte-Luce, Martinique. PDF

• B. El Saghir and N. Crespi, “An Intelligent Assistant for Context-aware Adaptation of Personal Communications”, IEEE Wireless Communications and Networking Conference WCNC 2007, 11-15 March 2007, Hong Kong. PDF

• A. Gouya, N. Crespi, and Oueslati L., “Next Generation Network Service Architecture in the IP Multimedia Subsystem,” Technologies for Advanced Heterogeneous Networks II, LNCS Vol.4311, 2006, Ed: Berlin Heidelberg, Springer-Verlag.

• B. El Saghir and N. Crespi, “A New Framework for Indicating Terminal Capabilities in the IP Multimedia Subsystem,” IEEE GLOBECOM, San Francisco USA, November 2006. PDF

• M. Mani, N and N. Crespi, “Handover Considerations in future convergent wireless wire-line networks,” IEEE GLOBECOM, San Francisco USA, November 2006. PDF

• M. Mani and N. Crespi, “Session Mobility between Heterogeneous Accesses with the Existence of IMS as the Service Control Overlay”, IEEE International Conference on Communication Systems 30 Oct - 2 Nov 2006, Singapore. PDF

• A. Gouya, N. Crespi E. Bertin, and Oueslati L., “Managing Service Capability and Service Feature Interactions in the IMS of UMTS,” in IEEE International Conference on Networking and Services, USA, Silicon Valley, July 2006.

• I. Grida Ben Yahia., E. Bertin, and N. Crespi, “New/next Generation Services and Management,” in IEEE International Conference on Networking and Services, USA, Silicon Valley, July 2006

• I. Grida Ben Yahia I., E. Bertin, and N. Crespi, “Towards autonomic management for Next Generation Services,” in IEEE International Conference on Networking and Services, USA, Silicon Valley, July 2006.

• A. Gouya, N. Crespi, and E. Bertin “SCIM (Service Capability Interaction Manager) Implementation Issues in IMS Service Architecture,” in IEEE ICC, vol. 4, pp: 1748-1753, Istanbul, June 2006.

• N. Crespi, “A distributed mechanism to resolve dynamically Feature Interaction in the UMTS IP Multimedia Subsystem,” in sixth International Workshop on Applications and Services in Wireless Networks (ASWN), Berlin. May 2006. PDF

• N. Crespi, “Challenges of Multi-access to the IMS and impact on service architecture,”presented at Thailand IPv6 Summit, Bangkok. May 2006.

• I. Ben Yahia I., E. Bertin, J. P. Deschrevel, and N. Crespi, “Service Definition for Next Generation Networks,” in IEEE International Conference on Networking (ICN), p 22, Mauritius April 2006. PDF

• N. Crespi “A new architecture for wireline access to the 3G IP Multimedia Subsystem,” in IEEE International Conference on Information, Communications and Signal Processing, pp 493-497, December 2005.

• A. Gouya and N. Crespi “Inter-Operator Cooperation Challenges in SIP-Based Service Architecture of IP Multimedia Subsystem of UMTS,” in sixth IEE International Conference on 3G & Beyond, pp: 113-118, London, November 2005. PDF

• M. Mani and N. Crespi, “New QoS Control Mechanism Based on Extension to SIP for Access to UMTS Core Network over Hybrid Access Networks,”in IEEE Wireless and Mobile Computing, Networking and Communications (WiMob), vol 2, pp 150-157, Canada, Montreal, August 2005. PDF

• M. Mani and N. Crespi “Access to IP Multimedia Subsystem of UMTS via PacketCable Network,” in IEEE WCNC, pp. 2459-2465, USA, Atlanta, March 2005. PDF

• N. Crespi and S. Lavaud, "WLAN access to 3G Multimedia Services," in Information and Communication Technologies, pp 79-83, Bangkok, November 2004.

• N. Crespi and Q. M. Phan, "Extending GTP Protocol to Support Seamless Handover between UMTS and WLAN Access Network Cellular and Intelligent Communications," in CDMA International Conference (CIC), p. 358, Korea, Seoul, October 2004.

• N. Crespi and Y. Chadli, "A novel mechanism for media resources control in SIP mobile networks," in Word Wireless Congress, (WWC), pp 24-25, USA, San Francisco, May 2004. PDF

• N. Crespi and S. Lavaud. "Multi access architecture to the 3G mobile services," in IEEE Information and Communication Technologies : From Theory to Applications (ICTTA), pp. 213- 214, Syria, Damas, April 2004.

• N. Crespi, Z. Zhao, "Service aggregation based on daily event," Application filed in USA under the number 12/909,898

• B. El Saghir, N. Crespi, “Multi-layered agent” n°08 52067, (Application, March 2008)

• N. Crespi N, B. El Saghir, "Mécanisme SIP pour l'indication des capacités de terminaux", n° 07 58846, (Application, Nov. 2007).

• N. Crespi N., B. El Saghir, M. Mani: “Infrastructure IMS”. n° FR2889641 (A1),( Feb. 2007).

• N. Crespi, "Procédé de fonctionnement d'un réseau opérant sous le protocole SIP et réseau mettant en œuvre un tel procédé", n° FR2873881 (A1), (Feb. 2006).

• N. Crespi., Y. Chadli, "Procédé pour contrôler un échange d’informations entre un serveur d’application et un serveur de média au cours d’une session SIP et système d’échange de données mettant en œuvre un tel procédé ", n° FR2870660 (A1), (Nov. 2005).

• ETSI SMG (Special Mobile Group)
  1. N. Crespi, “Multiple triggering on the same DP”, ETSI SMG3 WPC, March 97 (Sophia Antipolis), Tdoc 97C114
  2. N. Crespi, “Triggering criteria for DPs”, ETSI SMG3 WPC, March 97 (Sophia Antipolis), Tdoc 97C115
  3. N. Crespi, “gsmSCF dedicated to fraud prevention, ETSI SMG3 WPC, April 97 (Bath), Tdoc 97C173
  4. D. Baillergeau, N. Crespi, “Network's indication of alerting in the MS”, ETSI SMG3 WPC, April 97 (Bath), Tdoc 97C198
  5. D. Baillergeau, N. Crespi, “CAMEL use of Network's indication of alerting”, ETSI SMG3 WPC, April 97 (Bath), Tdoc 97C199
  6. N. Crespi, “ISUP Address complete message in GSM03.18’, ETSI SMG3 WPC, April 97 (Bath), Tdoc 97C200
  7. N. Crespi, “Early ISUP ACM message”, ETSI SMG3 WPC, April 97 (Bath), Tdoc 97C201
  8. N. Crespi, “Coding of ISUP_ACM message”, ETSI SMG3 WPC, April 97 (Bath), Tdoc 97C221 & 97C236
  9. N. Crespi, “Use of a Connect operation at DP9 or at DP17”, ETSI SMG3 WPC, April 97 (Bath), Tdoc 97C202
  10. N. Crespi, “Any Time Interrogation process description in HLR”, ETSI SMG3 WPC, April 97 (Bath), Tdoc 97C222
  11. N. Crespi, “Introduction of Alerting categories”, ETSI SMG3 WPC, April 97 (Bath), Tdoc 97C256 & Tdoc 97C257
  12. N. Crespi, “CAMEL phase 2 stage 2 (GSM 03.78)”, ETSI SMG3 WPC, June 97 (Sophia Antipolis), Tdoc 97C290
  13. N. Crespi, “Follow on call”, ETSI SMG3 WPC, June 97 (Sophia Antipolis), Tdoc 97C289
  14. N. Crespi, “ConnectToRessource operation”, ETSI SMG3 WPC, June 97 (Sophia Antipolis), Tdoc 97C
  15. N. Crespi, “Standardised parameter values for announcements and tones”, ETSI SMG3 WPC, June 97 (Sophia Antipolis), Tdoc 97C
  16. M. Jacob, N. Crespi, “Backward charging handling (France Telecom, Alcatel), ETSI SMG3 WPC, June 97 (Sophia Antipolis), Tdoc 97C299
  17. N. Crespi, “First draft of CAMEL phase 2 stage 2 GSM03.78 (A008-Rev1)”, ETSI SMG3 WPC, June 97 (Bornholm), Tdoc 97C339
  18. N. Crespi, “Reserved SS-Code for identification of SS groups”, ETSI SMG3 WPC, June 97 (Bornholm), Tdoc 97C374
  19. N. Crespi, “Network's indication of alerting tones”, ETSI SMG3 WPC, June 97 (Bornholm), Tdoc 97C375
  20. N. Crespi, “Comments on 97C318”, ETSI SMG3 WPC, June 97 (Bornholm), Tdoc 97C380
  21. L. Letellier, N. Crespi, “Interaction between call forwarding and call barring for CAMEL Subscriber” , ETSI SMG3 WPC, July 97 (Issy Mx), Tdoc 97B
  22. N. Crespi, “CR 03.78-A008 rev2 on GSM 03.78 Phase 2”, ETSI SMG3 WPC, August 97 (Oulu), Tdoc 97C429
  23. L. Letellier, N. Crespi, “Interaction between CAMEL & call forwarding”, ETSI SMG3 WPC, August 97 (Oulu), Tdoc 97C430
  24. N. Crespi, “Behaviour of the MSC at the expiration of the call duration timer”, ETSI SMG3 WPC, October 97 (Grenoble), Tdoc 97C527
  25. N. Crespi, “CR 03.78 A008 rev3 ‘Whole CAMEL Phase 2’ ", ETSI SMG3 WPC, October 97 (Grenoble), Tdoc 97C446
  26. N. Crespi, “A008rev4 Introduction of CAMEL phase 2”, ETSI SMG3 WPC, October 97 (Grenoble), Tdoc 97C 528 03.78
  27. N. Crespi, “SMS over GPRS”, ETSI SMG3 WPC, October 97 (Grenoble), Tdoc 97C548
  28. N. Crespi, “CR 03.78 A008rev5”, ETSI SMG3 WPC, October 97 (Grenoble), Tdoc 97C574
  29. N. Crespi, “Tones before clearing call”, ETSI SMG3 WPC, October 97 (Grenoble), Tdoc 97C581
  30. M. Jacob, N. Crespi, “IE for the EstablishTemporaryConnection operation” (France Telecom, Alcatel), ETSI SMG3 WPC, October 97 (Grenoble), Tdoc 97C
  31. N. Crespi, “Interaction between CAMEL and CCBS”, ETSI SMG3 WPC, November 97 (Sophia Antipolis), Tdoc 97C586
  32. N. Crespi, “CR 03.18 for interaction between CCBS and CAMEL phase 1”, ETSI SMG3 WPC, November 97 (Sophia Antipolis), Tdoc 97C587
  33. N. Crespi, “CR 03.78 for interaction between CCBS and CAMEL phase 1’ ETSI SMG3 WPC, November 97 (Sophia Antipolis), Tdoc 97C588
  34. N. Crespi, “SMS enhancement: SMS filtering”, ETSI SMG3 WPC, November 97 (Sophia Antipolis), Tdoc 97C603
  35. N. Crespi, “Presentation contribution”, ETSI SMG3 WPC, November 97 (Sophia Antipolis), Tdoc 97C604
  36. N. Crespi, “CR 09.02 Alerting Categories”, ETSI SMG3 WPC, November 97 (Sophia Antipolis), Tdoc 97C605
  37. N. Crespi, “CR 03.18 Alerting Categories, ETSI SMG3 WPC, November 97 (Sophia Antipolis), Tdoc 97C606
  38. N. Crespi, “Proposed modifications on GSM 03.78 for CAMEL phase 2”, ETSI SMG3 WPC, November 97 (Sophia Antipolis), Tdoc 97C607
  39. N. Crespi, “Proposed modifications on GSM 09.78 for CAMEL phase 2”, ETSI SMG3 WPC, November 97 (Sophia Antipolis), Tdoc 97C608
  40. N. Crespi, “Cross phase compatibility in GSM 03.78”, ETSI SMG3 WPC, November 97 (Sophia Antipolis), Tdoc 97C613
  41. D. Baillergeau, N. Crespi, “Cross phase compatibility in GSM 09.02”, ETSI SMG3 WPC, November 97 (Sophia Antipolis), Tdoc 97C614
  42. N. Crespi, “Cross phase compatibility”, ETSI SMG3 WPC, November 97 (Sophia Antipolis), Tdoc 97C615
  43. N. Crespi, “CR 03.78 A008r6 Introduction of CAMEL phase 2”, ETSI SMG3 WPC, November 97 (Sophia Antipolis), Tdoc 97C616
  44. N. Crespi, “Establishment of temporary connection in CAMEL”, ETSI SMG3 WPC, November 97 (Sophia Antipolis), SMG3 97C631
  45. N. Crespi, “Modification of GSM 03.08 and GSM 03.16 for GPRS”, ETSI SMG3 WPC, November 97 (Sophia Antipolis), SMG3 97C647
  46. N. Crespi, “03.78 A008rev7 Introduction of CAMEL phase 2”, ETSI SMG3 WPC, December 97 (Brentford), Tdoc 97C690
  47. D. Baillergeau, N. Crespi, “CR 09.02 A084r3 Network's indication of alerting”, ETSI SMG3 WPC, December 97 (Brentford), Tdoc 97C 727
  48. N. Crespi, “SMS filtering”, ETSI SMG3 WPC, December 97 (Brentford), Tdoc 97C 728
  49. N. Crespi, “CR 03.78 A008r11 CAMEL phase 2”, ETSI SMG3 WPC, February 98 (Sophia Antipolis), Tdoc 98C080
  50. N. Crespi, “CR 09.02 A115 Introduction of Alerting categories”, ETSI SMG3 WPC, February 98 (Sophia Antipolis), Tdoc 98C115
  51. N. Crespi, “CR 03.78 A008r13 CAMEL phase 2”, ETSI SMG3 WPC, February 98 (Sophia Antipolis), Tdoc 98C164
  52. N. Crespi, “CR 03.18 A019r1 Network's Indication of Alerting”, ETSI SMG3 WPC, February 98 (Sophia Antipolis), Tdoc 98C172
  53. N. Crespi, “Addition of the mapping of the Routeing area update procedure in GPRS”, ETSI SMG3 WPC, February 98 (Sophia Antipolis), Tdoc 98C181
  54. N. Crespi, R. Noldus, “SMS interworking with GPRS” (FT, Ericsson), ETSI SMG3 WPC, March 98 (Sophia Antipolis), Tdoc 98C224
  55. N. Crespi, “SOR using CAMEL mechanisms”, ETSI SMG3 WPC, May 98 (Helsinki), Tdoc 98C312
  56. N. Crespi, “E.214 addressing of the HLR”, ETSI SMG3 WPC, May 98 (Helsinki), Tdoc 98C356 & 98C357
  57. N. Crespi, “VLR behaviour when receiving subscriber data after HLR restoration”, ETSI SMG3 WPC, May 98 (Helsinki), Tdoc 98C378
  58. N. Crespi, “Corrections on GSM 03.78”, ETSI SMG3 WPC, July 98 (Stuttgart), Tdoc 98C482
  59. N. Crespi, “EDP-R for Abandon detection point in CAMEL phase 2, October 98”, ETSI SMG3 plenary, October 98, Prague
  60. N. Crespi, “Removal of O_Not_Reachable and T_Not_Reachable detection points”, ETSI SMG3 WPC, October 98 (Hungerford), Tdoc 98C541
  61. N. Crespi, “Support of ETSI extensions to INAP”, ETSI SMG3 WPC, October 98 (Hungerford), Tdoc 98C651
  62. N. Crespi, “CR 03.78 A050 Corrections on CAMEL phase 2 stage 2”, ETSI SMG3 WPC, October 98 (Hungerford), Tdoc 98C622
  63. N. Crespi, “Implicit Disarming of Detection Points”, ETSI SMG3 WPC, October 98 (Hungerford), Tdoc 98C704
  64. N. Crespi, “Modification of the scope of CAMEL phase 3”, ETSI SMG3 WPC, October 98 (Hungerford), Tdoc 98C710
  65. N. Crespi, “Timer in process gsmSSF”, ETSI SMG3 WPC, October 98 (Hungerford), Tdoc 98C721

• ETSI SPS
  66. N. Crespi, “CAMEL phase 3, Stage 2” (first draft), ETSI SPS3 / CN2, TS 101 441 v X.2.0 Draft A, June 99 (Issy) N2-99696

• 3GPP (3rd Generation Partnership Project)
  67. N. Crespi, “gsmSCF management of triggering data”, 3GPP TSG CN2, January 99 (Austin), Tdoc N2a99459
  68. N. Crespi, “Correction to CAMEL phase 2”, 3GPP TSG CN2, January 99 (Austin), Tdoc N2a99065
  69. N. Crespi, “Active Location Retrieval in CAMEL Phase 3”, 3GPP TSG CN2, January 99 (Gotland), Tdoc N299907
  70. N. Crespi, “VHE aspects in TSG-CN”, 3GPP TSG Core network plenary, March 99 (Fort Lauderdale) NP-99065
  71. N. Crespi, 3GPP TSG Core network plenary, March 99 (Fort Lauderdale) N2-99325
  72. N. Crespi, “MSC Address parameter”, 3GPP TSG CN2, May 99 (Edinburgh), Tdoc N299633, N299633634, N299633646
  73. N. Crespi, “Any Time Modification”, 3GPP TSG CN2, May 99 (Edinburgh), Tdoc N299459
  74. N. Crespi, “gsmSCF management of triggering data”, 3GPP TSG CN2, July 99 (Visby) N299459
  75. N.Crespi et al. “Implications of introducing the GLR concept in UMTS networks (shared), 3GPP TSG CN2, July 99 (Visby) N299608
  76. N. Crespi, “CR 03.78 on MSC address in Initial DP”, 3GPP TSG CN2, July 99 (Visby) Tdoc N2-99633 & N2-99634
  77. N. Crespi, “F-MSC address in Initial DP”, 3GPP TSG CN2, July 99 (Visby) Tdoc N2-99641
  78. N. Crespi et al. “Congestion control at the gsmSCF” (France Telecom, Telia), 3GPP TSG CN2, September 99 (Abiko) Tdoc N2 99B21
  79. N. Crespi, “Active Location Retrieval for CAMEL phase 3”, 3GPP TSG CN2, September 99 (Abiko) Tdoc N2-99B20
  80. N. Crespi. “Initiating Back-to-back User Agent”, 3GPP TSG CN1, March 2004 (Atlanta) Tdoc N1-040472.
  81. Crespi N. et al. “New WID: IMS Service Broker enhancements WID proposal”, May 2006 (Shanghai), Tdoc S2 061949
  82. Crespi N. et al. “General Architecture Requirements for Service Brokering, 3GGP TSG-SA2, Jan 2007 (Florence), Tdoc S2-070436
  83. Crespi N. et al. “Architecture Alternatives for Service Brokering’, 3GGP TSG-SA2, Jan 2007 (Florence), Tdoc S2-070437.
  84. Crespi N. et al. “Security Requirements for Service Brokering”, 3GGP TSG-SA2, Jan 2007 (Florence), Tdoc S2-070439
  85. Crespi N. et al. “Charging Requirements for Service Brokering”, 3GGP TSG-SA2, Jan 2007 (Florence), Tdoc S2-070440
  86. Crespi N. et al. “General Architecture Requirements for Service Brokering, 3GGP TSG-SA2, Jan 2007 (Florence), Tdoc S2-070625
  87. Crespi N. et al. “Revision of Sections 5.1 to 5.4.”, 3GGP TSG-SA2, March 2007 (Warsaw), Tdoc S2-071359
  88. Crespi N. et al. “Revision of Sections 5.1-5.4”, 3GGP TSG-SA2, April 2007 (Beijing), Tdoc S2-071964
  89. Crespi N. et al. “Contributions to Sections 5.1.1~5.1.3”, 3GGP TSG-SA2, June 2007 (Olando), Tdoc S2-072666
  90. Crespi N. et al. “Definitions” , 3GPP SA2, Apr 2008, S2-082836
  91. Crespi N. et al. “ICS TS 23.292v020 modification”, 3GGP TSG-SA2, Feb 2008 (Athens), Tdoc S2-081854.
  92. Crespi N. et al. “Impacts of SB architecture to current IMS architecture and interfaces”, 3GGP TSG-SA2, Oct 2007 (Kobe), Tdoc S2-074532.
  93. Crespi N. et al. “ICS termination with UE assisted T-ADS in case of no simultaneous PS and CS support” , 3GPP TSG-SA2, Apr 2008 (Jeju), Tdoc S2-082825
  94. Crespi N. et al. “Clean-up & Conclusion of 5.1.2 – 5.1.4” , 3GPP TSG-SA2, Apr 2008 (Jeju), Tdoc S2-082833
  95. Crespi N. et al. “section 2 References”, 3GPP TSG-SA2, Apr 2008 (Jeju), Tdoc S2-082827
  96. Crespi N. et al. “section 3.3 Abbreviations” 3GPP TSG-SA2, Apr 2008 (Jeju), Tdoc S2-082828
  97. Crespi N. et al. “Clean-up & Conclusion of 4.1”, 3GPP TSG-SA2, Apr 2008 (Jeju), Tdoc S2-082829
  98. Crespi N. et al. “Conclusion of 4.2.1 and 4.2.2” , 3GPP TSG-SA2, Apr 2008 (Jeju), Tdoc S2-082830
  99. Crespi N. et al. “Clean-up & Conclusion of 5.1.1” , 3GPP TSG-SA2, Apr 2008 (Jeju), Tdoc S2-082831
  100. Crespi N. et al. “Use Case to illustrate Functions of Release 8 ISB” , 3GPP TSG-SA2, Apr 2008 (Jeju), Tdoc S2-082832
  101. Crespi N. et al. "IMS Services interaction,” 3GPP TSG-SA WG2 Meeting #77, January 2010 (Shenzhen, China), Tdoc S2-100343.

• IETF
  102. S. Shanmugalingam, GM. Lee and N. Crespi, “SIP extensions for media control”, draft-siva-sip-media-00.txt, March 2009.
  103. G.M. Lee, J.K. Choi, S.K. Jo, J.Y. Kim, N. Crespi, “Naming Architecture for Object to Object Communications,” , IETF’76, Hiroshima, Japan, October 2009. 
  104. S. Shanmugalingam, GM. Lee and N. Crespi, “Framework of media control for IPTV services,” , IETF’76, Hiroshima, Japan, October 2009.
  105. G.M. Lee, J.K. Choi, S.K. Jo, J.Y. Kim, N. Crespi, “Naming Architecture for Object to Object Communications” draft-lee-object-naming-02.txt, IETF, March 2010
  108. G.M. Lee, N. Crespi, “Framework of media control for IPTV services”, draft-siva-iptv-media-01.txt, IETF March 2010
  109. G.M Lee, J. Park, N. Kong, N. Crespi, “The Internet of Things - Concept and Problem Statement,” < draft-lee-iot-problem-statement-00.txt>, IETF’79, Beijing, October 2010
   

• ITU-T
  110.  G.M. Lee, N. Crepi, J.K. Choi, W. Ryu, “Proposal for a new work item on NGN-Web convergence for integrated multi-service networks,” NGN-GSI-C273-E, May 2009
  111.  G.M Lee, N. Crespi, J.K Choi, W. Ryu, “Proposal for service classification according to different service control in NGN-Web convergence environment,” IPTV-GSI-C284-E, June 2009
  112.  G.M Lee, N. Crespi, J.K Choi, W. Ryu, “Proposed figure for NGN architecture with Web service component,” IPTV-GSI-C285-E, June 2009
  113. .G.M Lee, N. Crespi, J.K Choi, W. Ryu, “Proposal for a new web service component in NGN architecture for multi-service capabilities,” IPTV-GSI-C286-E, June 2009
  114. G.M Lee, N. Crespi, J.K Choi, W. Ryu, “Revised texts for living list on web service architecture over NGN,” COM 13 – C 369 – E, September 2009, ITU-T.
  115. G.M Lee, N. Crespi, J.K Choi, W. Ryu, “Proposed modification of figure for service classification in Y.NGN-Web,” NGN-GSI-C483-E, January 2010.
  116. G.M Lee, N. Crespi, J.K Choi, W. Ryu, “Proposed modifications for functional entities in Y.NGN-Web,” NGN-GSI-C482-E, January 2010.
  117. G.M Lee, N. Crespi, J.K Choi, W. Ryu, “Discussion on common functionalities according to service classification in Y.NGN-Web,” COM13-C548-E, April 2010.
  118. G.M Lee, N. Crespi, J.K Choi, W. Ryu, “Proposed modification on functional entities for web service component in Y.NGN-Web,” COM13-C547-E, April 2010. 
  119. G.M Lee, N. Crespi, J.K Choi, W. Ryu, “Proposed modification of figure on NGN architecture with web service component in Y.NGN-Web,” COM13-C546-E, April 2010.
  120. 126. G.M. Lee, N. Crespi, J.K. Choi, W. Ryu, “Proposed modifications for Appendix II in Y.NGN-Web,” NGN-GSI-C821-E, September 2010.
  121.127. G.M. Lee, N. Crespi, J.K. Choi, W. Ryu, “Clarification for VoD related classification in Y.iptvintwVoD,” NGN-GSI-C820-E, September 2010
  122. .128. G.M. Lee, N. Crespi, J.K. Choi, W. Ryu, “Discussion on architecture for object-to-object communication in Y.UbiNet-hn,” NGN-GSI-C822-E, September 2010.